package queue;

/**
 * @author 老顾
 * @title: Deque
 * @projectName java-restudy
 * @email: 1437594522@qq.com
 * @date 2022/11/4 15:48
 */
public interface Deque<E> extends Queue<E> {

    void addFirst(E e);

    void addLast(E e);
}
